GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Yukon XL - 4WD
🢒
Transmission
🢒 Transfer Case - MP 3023/3024-NQH
Transmission
All Description and Operation
Transfer Case Description and Operation
Transfer Case Identification
All Special Tools and Equipment
Special Tools
All Visual Identification
Transfer Case Disassembled View
Cleaning, Inspection, and Adjustment
Drive Chain, Drive Sprocket, and Driven Sprocket Cleaning and Inspection
Front Output Shaft and Input Shaft Cleaning and Inspection
High/Low Planetary Carrier Cleaning and Inspection
High/Low Shift Components Cleaning and Inspection
Oil Pump Cleaning and Inspection
Rear Output Shaft Cleaning and Inspection
Transfer Case Front Half Cleaning and Inspection
Transfer Case Rear Half Cleaning and Inspection
Two/Four Wheel Drive Shift Components Cleaning and Inspection
Diagnostic Procedures
Diagnostic Starting Point - Transfer Case
Front Axle Will Not Disengage
Front Axle Will Not Engage
No Correction for Slip in All-Wheel Drive Mode
Service Indicator Always On
Symptoms - Transfer Case
Transfer Case Clunk During Acceleration and Deceleration
Transfer Case Clunk in 2HI Only
Transfer Case Clunk in 4HI
Transfer Case Clunk in 4LO
Transfer Case Grating Noise
Transfer Case Growl or Grinding Noise
Transfer Case High/Low Clutch Reset
Transfer Case Jumps Out of Gear
Transfer Case Leak Diagnosis
Transfer Case Popping Noise
Transfer Case Shift Control Switch Indicator Always On - Two or More
Transfer Case Shift Control Switch Indicator Inoperative - One or More
Transfer Case Shift Control Switch Inoperative
Transfer Case Shudder or Binding
Transfer Case Whine or Rumble Noise
Transfer Case Will Not Shift
Diagnostic Trouble Codes
DTC B0770
DTC B0775
DTC B0780
DTC B0785
DTC B0790
DTC B2725
DTC C0306
DTC C0321
DTC C0374
DTC C0379
DTC C0387
DTC C0392
DTC C0396
DTC C0397
DTC C0398
DTC C0550
DTC C0569
DTC C0896
DTC P2160 or P2161
DTC P279A
DTC P279B
DTC P279C
Disassembly, Overhaul, Repair, and Assembly
Front Output Shaft Drive Sprocket Bearing Replacement
Front Output Shaft Front and Rear Bearing Replacement
High/Low Shift Fork Replacement
Input Shaft Pilot Bearing Replacement
Rear Output Shaft Bushing Replacement
Transfer Case Assemble
Transfer Case Disassemble
Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Front
Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Rear
Electrical/Electronic Schematic Diagrams
Transfer Case Control Schematics
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Adhesives, Fluids, Lubricants, and Sealers
Approximate Fluid Capacities
Removal, Installation, and Replacement
Front Output Shaft Seal Replacement
Input Shaft Seal Replacement
Rear Output Shaft Seal Replacement
Transfer Case Adapter Replacement
Transfer Case Assembly Replacement
Transfer Case Fluid Replacement
Transfer Case Rear Extension Bushing Replacement
Transfer Case Shield Replacement
Transfer Case Shift Control Module Replacement
Transfer Case Shift Control Switch Replacement
Transfer Case Two/Four Wheel Drive Actuator Position Sensor Replacement
Transfer Case Two/Four Wheel Drive Actuator Replacement
Vehicle Speed Sensor Replacement